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      <img src="../logo.svg" class="logo" alt=""><h1>top N sites account for what percent of residents?</h1>
      <small class="dont-index">Source: <a href="https://github.com/USEPA/EJAM/blob/HEAD/R/popshare_xyz.R" class="external-link"><code>R/popshare_xyz.R</code></a></small>
      <div class="d-none name"><code>popshare_at_top_n.Rd</code></div>
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    <div class="ref-description section level2">
    <p>What fraction of total population is accounted for by the top N places?</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">popshare_at_top_n</span><span class="op">(</span><span class="va">pop</span>, n <span class="op">=</span> <span class="fl">10</span>, astext <span class="op">=</span> <span class="cn">FALSE</span>, dig <span class="op">=</span> <span class="fl">0</span><span class="op">)</span></span></code></pre></div>
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    <div class="section level2">
    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-pop">pop<a class="anchor" aria-label="anchor" href="#arg-pop"></a></dt>
<dd><p>vector of population totals across places,
like out$results_bysite$pop where out is the output of ejamit()</p></dd>


<dt id="arg-n">n<a class="anchor" aria-label="anchor" href="#arg-n"></a></dt>
<dd><p>the number of places to consider</p></dd>


<dt id="arg-astext">astext<a class="anchor" aria-label="anchor" href="#arg-astext"></a></dt>
<dd><p>if TRUE, return text of description of results</p></dd>


<dt id="arg-dig">dig<a class="anchor" aria-label="anchor" href="#arg-dig"></a></dt>
<dd><p>rounding digits for text output</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    <p>A fraction of 1</p>
    </div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span> <span class="va">x</span> <span class="op">&lt;-</span> <span class="va">testdata_ejamit_output_100pts_1miles</span><span class="op">$</span><span class="va">results_bysite</span></span>
<span> <span class="fu"><a href="popshare_p_lives_at_what_pct.html">popshare_p_lives_at_what_pct</a></span><span class="op">(</span><span class="va">x</span><span class="op">$</span><span class="va">pop</span>, p <span class="op">=</span> <span class="fl">0.50</span>, astext<span class="op">=</span><span class="cn">TRUE</span><span class="op">)</span></span>
<span> <span class="fu"><a href="popshare_p_lives_at_what_n.html">popshare_p_lives_at_what_n</a></span><span class="op">(</span>  <span class="va">x</span><span class="op">$</span><span class="va">pop</span>, p <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">0.50</span>, <span class="fl">0.67</span>, <span class="fl">0.80</span>, <span class="fl">0.95</span><span class="op">)</span><span class="op">)</span></span>
<span> <span class="fu"><a href="popshare_at_top_x_pct.html">popshare_at_top_x_pct</a></span><span class="op">(</span>       <span class="va">x</span><span class="op">$</span><span class="va">pop</span>, x <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">0.25</span>, <span class="fl">0.50</span>, <span class="fl">.90</span><span class="op">)</span><span class="op">)</span></span>
<span> <span class="fu">popshare_at_top_n</span><span class="op">(</span>           <span class="va">x</span><span class="op">$</span><span class="va">pop</span>, n <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">1</span>, <span class="fl">5</span>, <span class="fl">10</span><span class="op">)</span><span class="op">)</span></span>
<span> </span></code></pre></div>
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